EP4191471A4 - Sequenzerkennungsverfahren und -vorrichtung, bildverarbeitungsvorrichtung und speichermedium - Google Patents

Sequenzerkennungsverfahren und -vorrichtung, bildverarbeitungsvorrichtung und speichermedium Download PDF

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Publication number
EP4191471A4
EP4191471A4 EP21851002.2A EP21851002A EP4191471A4 EP 4191471 A4 EP4191471 A4 EP 4191471A4 EP 21851002 A EP21851002 A EP 21851002A EP 4191471 A4 EP4191471 A4 EP 4191471A4
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EP
European Patent Office
Prior art keywords
image processing
storage medium
recognition method
sequence recognition
processing device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP21851002.2A
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English (en)
French (fr)
Other versions
EP4191471A1 (de
Inventor
Yunlu XU
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hangzhou Hikvision Digital Technology Co Ltd
Original Assignee
Shanghai Goldway Intelligent Transportation System Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Goldway Intelligent Transportation System Co Ltd filed Critical Shanghai Goldway Intelligent Transportation System Co Ltd
Publication of EP4191471A1 publication Critical patent/EP4191471A1/de
Publication of EP4191471A4 publication Critical patent/EP4191471A4/de
Pending legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/18—Extraction of features or characteristics of the image
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
    • G06N3/00—Computing arrangements based on biological models
    • G06N3/02—Neural networks
    • G06N3/04—Architecture, e.g. interconnection topology
    • G06N3/045—Combinations of networks
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00—Pattern recognition
    • G06F18/20—Analysing
    • G06F18/25—Fusion techniques
    • G06F18/253—Fusion techniques of extracted features
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
    • G06N3/00—Computing arrangements based on biological models
    • G06N3/02—Neural networks
    • G06N3/08—Learning methods
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/20—Image preprocessing
    • G06V10/22—Image preprocessing by selection of a specific region containing or referencing a pattern; Locating or processing of specific regions to guide the detection or recognition
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/40—Extraction of image or video features
    • G06V10/44—Local feature extraction by analysis of parts of the pattern, e.g. by detecting edges, contours, loops, corners, strokes or intersections; Connectivity analysis, e.g. of connected components
    • G06V10/443—Local feature extraction by analysis of parts of the pattern, e.g. by detecting edges, contours, loops, corners, strokes or intersections; Connectivity analysis, e.g. of connected components by matching or filtering
    • G06V10/449—Biologically inspired filters, e.g. difference of Gaussians [DoG] or Gabor filters
    • G06V10/451—Biologically inspired filters, e.g. difference of Gaussians [DoG] or Gabor filters with interaction between the filter responses, e.g. cortical complex cells
    • G06V10/454—Integrating the filters into a hierarchical structure, e.g. convolutional neural networks [CNN]
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/70—Arrangements for image or video recognition or understanding using pattern recognition or machine learning
    • G06V10/82—Arrangements for image or video recognition or understanding using pattern recognition or machine learning using neural networks
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00—Scenes; Scene-specific elements
    • G06V20/60—Type of objects
    • G06V20/62—Text, e.g. of license plates, overlay texts or captions on TV images
    • G06V20/625—License plates
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/24—Character recognition characterised by the processing or recognition method
    • G06V30/242—Division of the character sequences into groups prior to recognition; Selection of dictionaries
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Evolutionary Computation (AREA)
  • Multimedia (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Data Mining & Analysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Software Systems (AREA)
  • Molecular Biology (AREA)
  • Biomedical Technology (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Biophysics (AREA)
  • Mathematical Physics (AREA)
  • Evolutionary Biology (AREA)
  • Bioinformatics & Computational Biology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Databases & Information Systems (AREA)
  • Medical Informatics (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Image Analysis (AREA)
  • Character Discrimination (AREA)
EP21851002.2A 2020-07-30 2021-07-30 Sequenzerkennungsverfahren und -vorrichtung, bildverarbeitungsvorrichtung und speichermedium Pending EP4191471A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010751330.XA CN111860682B (zh) 2020-07-30 2020-07-30 序列识别方法、装置、图像处理设备和存储介质
PCT/CN2021/109764 WO2022022704A1 (zh) 2020-07-30 2021-07-30 序列识别方法、装置、图像处理设备和存储介质

Publications (2)

Publication Number Publication Date
EP4191471A1 EP4191471A1 (de) 2023-06-07
EP4191471A4 true EP4191471A4 (de) 2024-01-17

Family

ID=72946111

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21851002.2A Pending EP4191471A4 (de) 2020-07-30 2021-07-30 Sequenzerkennungsverfahren und -vorrichtung, bildverarbeitungsvorrichtung und speichermedium

Country Status (4)

Country Link
US (1) US12488608B2 (de)
EP (1) EP4191471A4 (de)
CN (1) CN111860682B (de)
WO (1) WO2022022704A1 (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111860682B (zh) * 2020-07-30 2024-06-14 上海高德威智能交通系统有限公司 序列识别方法、装置、图像处理设备和存储介质
CN113033543B (zh) * 2021-04-27 2024-04-05 中国平安人寿保险股份有限公司 曲形文本识别方法、装置、设备及介质
CN114207673A (zh) * 2021-12-20 2022-03-18 商汤国际私人有限公司 序列识别方法及装置、电子设备和存储介质
CN114764915B (zh) * 2022-03-28 2024-09-06 北京开拓鸿业高科技有限公司 公式识别方法、装置、存储介质及电子设备
CN114863439B (zh) * 2022-05-19 2023-02-17 北京百度网讯科技有限公司 信息提取方法、装置、电子设备和介质
CN116883913B (zh) * 2023-09-05 2023-11-21 长江信达软件技术（武汉）有限责任公司 一种基于视频流相邻帧的船只识别方法及系统
KR20250062299A (ko) * 2023-10-30 2025-05-08 (주)심플랫폼 이미지를 포함한 시계열 데이터 분석 시스템 및 방법

Citations (1)

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WO2016197381A1 (en) * 2015-06-12 2016-12-15 Sensetime Group Limited Methods and apparatus for recognizing text in an image

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CN106407976B (zh) * 2016-08-30 2019-11-05 百度在线网络技术（北京）有限公司 图像字符识别模型生成和竖列字符图像识别方法和装置
CN107798327A (zh) * 2017-10-31 2018-03-13 北京小米移动软件有限公司 字符识别方法及装置
CN108388896B (zh) * 2018-02-09 2021-06-22 杭州雄迈集成电路技术股份有限公司 一种基于动态时序卷积神经网络的车牌识别方法
CN109102037B (zh) * 2018-06-04 2024-03-05 平安科技（深圳）有限公司 中文模型训练、中文图像识别方法、装置、设备及介质
CN109299717B (zh) 2018-09-13 2021-08-17 网易（杭州）网络有限公司 文字识别模型建立及文字识别方法、装置、介质及设备
CN109992774A (zh) 2019-03-25 2019-07-09 北京理工大学 基于词属性注意力机制的关键短语识别方法
CN110084172B (zh) * 2019-04-23 2022-07-29 北京字节跳动网络技术有限公司 文字识别方法、装置和电子设备
CN110659640B (zh) * 2019-09-27 2021-11-30 深圳市商汤科技有限公司 文本序列的识别方法及装置、电子设备和存储介质
CN110782395B (zh) * 2019-10-28 2024-02-09 西安电子科技大学 图像处理方法及装置、电子设备和计算机可读存储介质
CN111126410B (zh) * 2019-12-31 2022-11-18 讯飞智元信息科技有限公司 字符识别方法、装置、设备及可读存储介质
CN111191663B (zh) * 2019-12-31 2022-01-11 深圳云天励飞技术股份有限公司 车牌号码识别方法、装置、电子设备及存储介质
CN111275046B (zh) * 2020-01-10 2024-04-16 鼎富智能科技有限公司 一种字符图像识别方法、装置、电子设备及存储介质
CN111860682B (zh) 2020-07-30 2024-06-14 上海高德威智能交通系统有限公司 序列识别方法、装置、图像处理设备和存储介质

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WO2016197381A1 (en) * 2015-06-12 2016-12-15 Sensetime Group Limited Methods and apparatus for recognizing text in an image

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GAO FEI ET AL: "EDF-LPR: a new encoder-decoder framework for license plate recognition", IET INTELLIGENT TRANSPORT SYSTEMS, THE INSTITUTION OF ENGINEERING AND TECHNOLOGY, MICHAEL FARADAY HOUSE, SIX HILLS WAY, STEVENAGE, HERTS. SG1 2AY, UK, vol. 14, no. 8, 30 June 2020 (2020-06-30), pages 959 - 969, XP006091605, ISSN: 1751-956X, DOI: 10.1049/IET-ITS.2019.0253 *
LEE CHEN-YU ET AL: "Recursive Recurrent Nets with Attention Modeling for OCR in the Wild", 2016 IEEE CONFERENCE ON COMPUTER VISION AND PATTERN RECOGNITION (CVPR), IEEE, 27 June 2016 (2016-06-27), pages 2231 - 2239, XP033021356, DOI: 10.1109/CVPR.2016.245 *
LIN HAN ET AL: "Review of Scene Text Detection and Recognition", ARCHIVES OF COMPUTATIONAL METHODS IN ENGINEERING, SPRINGER NETHERLANDS, DORDRECHT, vol. 27, no. 2, 11 January 2019 (2019-01-11), pages 433 - 454, XP037051188, ISSN: 1134-3060, [retrieved on 20190111], DOI: 10.1007/S11831-019-09315-1 *
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Also Published As

Publication number Publication date
CN111860682B (zh) 2024-06-14
EP4191471A1 (de) 2023-06-07
US12488608B2 (en) 2025-12-02
CN111860682A (zh) 2020-10-30
US20230274566A1 (en) 2023-08-31
WO2022022704A1 (zh) 2022-02-03

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